Compare 18/40 and 28/10
1st number: 18/40, 2nd number: 2 8/10
18/40 is smaller than 28/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
28/10 = 28 × 4/10 × 4 = 112/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/40 < 112/40 or 18/40 < 28/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40 and 28/10 18/40 and 56/10 18/80 and 28/10 18/40 and 28/20 54/40 and 28/10 18/40 and 84/10 18/40 and 28/30 90/40 and 28/10 18/40 and 28/50 18/40 and 28/70